Exposure
ID
GRAVI.2025-04-09T09:12:26.147_1
Header ID
GRAVI.2025-04-09T09:12:26.147
Date updated
2025-04-09 09:25:35 UTC+0000
Release date
2025-04-09 09:12:26 UTC+0000
UTC Start
2025-04-09 09:12:26.147
UTC End
2025-04-09 09:15:06.147
MJD Start
60774.38363596
MJD End
60774.38548781186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004101
Ambient temperature (°C)
13.98
Seeing (arcsec)
1.0
Observation
ID
66155
Category
calibrator
Program ID
115.28E1.001
Program Title
A CLOSER LOOK AT THE ENVIRONMENTS OF LATE-TYPE CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / SANDER / SHENAR / MÉRAND / FROST / LEFEVER
Target
ID
49250
Name
HD164997
RA
271.310242
DEC
-32.26054
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.3720 56.3510 23.4000 23.8000
U1-U3 102.2150 102.1770 29.7000 30.1000
U1-U4 130.2000 130.2090 57.4140 57.8090
U2-U3 46.5940 46.5790 37.3000 37.7000
U2-U4 89.2150 89.2760 78.1010 78.5020
U3-U4 61.9210 62.0030 107.5350 107.9030
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28E1.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60774.38363596
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 164997
HIERARCH ESO INS SOBJ NAME HD164997
RA 271.310242
DEC -32.26054
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 56.372
HIERARCH ESO ISS PBL12 END 56.351
HIERARCH ESO ISS PBLA12 START 23.4
HIERARCH ESO ISS PBLA12 END 23.8
HIERARCH ESO ISS PBL13 START 102.215
HIERARCH ESO ISS PBL13 END 102.177
HIERARCH ESO ISS PBLA13 START 29.7
HIERARCH ESO ISS PBLA13 END 30.1
HIERARCH ESO ISS PBL14 START 130.2
HIERARCH ESO ISS PBL14 END 130.209
HIERARCH ESO ISS PBLA14 START 57.414
HIERARCH ESO ISS PBLA14 END 57.809
HIERARCH ESO ISS PBL23 START 46.594
HIERARCH ESO ISS PBL23 END 46.579
HIERARCH ESO ISS PBLA23 START 37.3
HIERARCH ESO ISS PBLA23 END 37.7
HIERARCH ESO ISS PBL24 START 89.215
HIERARCH ESO ISS PBL24 END 89.276
HIERARCH ESO ISS PBLA24 START 78.101
HIERARCH ESO ISS PBLA24 END 78.502
HIERARCH ESO ISS PBL34 START 61.921
HIERARCH ESO ISS PBL34 END 62.003
HIERARCH ESO ISS PBLA34 START 107.535
HIERARCH ESO ISS PBLA34 END 107.903
HIERARCH ESO ISS AMBI TAU0 START 0.004101
HIERARCH ESO ISS AMBI TAU0 END 0.004101
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0